function fileQueueError(file, errorCode, message) 
{
	try {
		
		if(errorCode == -100)
		{
			alert("Please select " + message + " file(s) only.");
			return;
		}
		
		var imageName = "error.gif";
		var errorName = "";
		if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) 
		{
			errorName = "You have attempted to queue too many files.";
		}

		if (errorName !== "") 
		{
			alert(errorName);
			return;
		}

		switch (errorCode) 
		{
			case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
				imageName = "zerobyte.gif";
				break;
			case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
				imageName = "toobig.gif";
				break;
			case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			default:
				alert(message);
				break;
		}
		addImage("/images/" + imageName);

	} 
	catch (ex) 
	{
		this.debug(ex);
	}
}

function fileDialogComplete(numFilesSelected, numFilesQueued) 
{
	try 
	{
		if (numFilesQueued > 0) 
		{
			if($("#hid_is_special").val() == 0)
			{
				if($("#sel_download_types").val() == "" || $("#sel_download_types").val() == null)
				{
					this.cancelUpload(this.fileID);
					alert("Please select download type first");
					return;
				}
			}
			this.startUpload();
		}
	} 
	catch (ex) 
	{
		this.debug(ex);
	}
}

function uploadProgress(file, bytesLoaded) 
{
	try {
		var percent = Math.ceil((bytesLoaded / file.size) * 100);
		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setProgress(percent);
		if (percent === 100) 
		{
			progress.setStatus("Creating thumbnail...");
			progress.toggleCancel(false, this);
		} 
		else 
		{
			progress.setStatus("Uploading...");
			progress.toggleCancel(true, this);
		}
	} 
	catch (ex) 
	{
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) 
{
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);

		if (serverData.substring(0, 7) === "FILEID:") 
		{
			var temp_array = serverData.substring(7).split("#");
			
			var isCreateThumbnail = temp_array[0];
			var fileName = temp_array[1];
			
			if(isCreateThumbnail == 1)
			{
				//display thubnails
				var thumbnail_url = "/uploads/_temp/_small/small_" + fileName;
				addImage(thumbnail_url);
				
				//store the original name and file id in the database
				if($("#hid_is_special").val() == 1)
				{
					addHidden(fileName,"special_original","original");
					addHidden(fileName,"special_middle","middle");
					addHidden("small_"+fileName,"special_small","small");
				}
				else
				{
					if($("#sel_download_types").val() != "" && $("#sel_download_types").val() != null)
					{
						addHidden("small_"+fileName,$("#sel_download_types").val(),"small");
					}	
				}
			}
			else
			{
				addFile(file.name);
			}
			
			//store the original name and file id in the database
			if($("#sel_download_types").val() != "" && $("#sel_download_types").val() != null)
			{
				addHidden(fileName,$("#sel_download_types").val(),"original");
			}

			progress.setStatus("Thumbnail Created.");
			progress.toggleCancel(false);
		} 
		else 
		{
			addImage("/images/error.gif");
			progress.setStatus("Error.");
			progress.toggleCancel(false);
			alert(serverData);
		}
	} 
	catch (ex) 
	{
		this.debug(ex);
	}
}

function uploadComplete(file) 
{
	try {
		/*  I want the next upload to continue automatically so I'll call startUpload here */
		if (this.getStats().files_queued > 0) 
		{
			this.startUpload();
		} 
		else 
		{
			var progress = new FileProgress(file,  this.customSettings.upload_target);
			progress.setComplete();
			progress.setStatus("File uploading finished.");
			progress.toggleCancel(false);
		}
	} 
	catch (ex) 
	{
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) 
{
	var imageName =  "error.gif";
	var progress;
	try {
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Cancelled");
				progress.toggleCancel(false);
				return;
			}
			catch (ex1) 
			{
				this.debug(ex1);
			}
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Stopped");
				progress.toggleCancel(true);
			}
			catch (ex2) 
			{
				this.debug(ex2);
			}
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			imageName = "uploadlimit.gif";
			break;
		default:
			alert(message);
			break;
		}
		
		addImage("/images/" + imageName);

	} catch (ex3) 
	{
		this.debug(ex3);
	}
}

function addHidden(fileName,downloadType,pictureType) 
{
	 var newHidden = '<input type="hidden" name="uploadedPictures[]" value="' + fileName + "#" + downloadType + "#" + pictureType + '"/>';
	 $('#thumbnails').append(newHidden);
	 
	 if($("#sel_download_types").find("option:selected").text() == "Product picture")
	 {
		 var arr_temp = fileName.split(".");
		 $("#product_name").val(arr_temp[0]);
	 }
}

function addFile(original_name)
{
	var htmlString = "<div>" + original_name + "</div>"
	$("#files").append(htmlString);
}

function addImage(src) 
{
	var newImg = document.createElement("img");
	newImg.style.margin = "5px";

	document.getElementById("thumbnails").appendChild(newImg);
	if (newImg.filters) 
	{
		try {
			newImg.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 0;
		} 
		catch (e) 
		{
			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
			newImg.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
		}
	} 
	else 
	{
		newImg.style.opacity = 0;
	}

	newImg.onload = function () {
		fadeIn(newImg, 0);
	};
	newImg.src = src;
}

function fadeIn(element, opacity) 
{
	var reduceOpacityBy = 5;
	var rate = 30;	// 15 fps


	if (opacity < 100) {
		opacity += reduceOpacityBy;
		if (opacity > 100) 
		{
			opacity = 100;
		}

		if (element.filters) 
		{
			try {
				element.filters.item("DXImageTransform.Microsoft.Alpha").opacity = opacity;
			} catch (e) {
				// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
				element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
			}
		}
		else 
		{
			element.style.opacity = opacity / 100;
		}
	}

	if (opacity < 100) {
		setTimeout(function () {
			fadeIn(element, opacity);
		}, rate);
	}
}

/* ******************************************
 *	FileProgress Object
 *	Control object for displaying file info
 * ****************************************** */

function FileProgress(file, targetID) {
	this.fileProgressID = "divFileProgress";

	this.fileProgressWrapper = document.getElementById(this.fileProgressID);
	if (!this.fileProgressWrapper) {
		this.fileProgressWrapper = document.createElement("div");
		this.fileProgressWrapper.className = "progressWrapper";
		this.fileProgressWrapper.id = this.fileProgressID;

		this.fileProgressElement = document.createElement("div");
		this.fileProgressElement.className = "progressContainer";

		var progressCancel = document.createElement("a");
		progressCancel.className = "progressCancel";
		progressCancel.href = "#";
		progressCancel.style.visibility = "hidden";
		progressCancel.appendChild(document.createTextNode(" "));

		var progressText = document.createElement("div");
		progressText.className = "progressName";
		progressText.appendChild(document.createTextNode(file.name));

		var progressBar = document.createElement("div");
		progressBar.className = "progressBarInProgress";

		var progressStatus = document.createElement("div");
		progressStatus.className = "progressBarStatus";
		progressStatus.innerHTML = "&nbsp;";

		this.fileProgressElement.appendChild(progressCancel);
		this.fileProgressElement.appendChild(progressText);
		this.fileProgressElement.appendChild(progressStatus);
		this.fileProgressElement.appendChild(progressBar);

		this.fileProgressWrapper.appendChild(this.fileProgressElement);

		document.getElementById(targetID).appendChild(this.fileProgressWrapper);
		fadeIn(this.fileProgressWrapper, 0);

	} else {
		this.fileProgressElement = this.fileProgressWrapper.firstChild;
		this.fileProgressElement.childNodes[1].firstChild.nodeValue = file.name;
	}

	this.height = this.fileProgressWrapper.offsetHeight;

}
FileProgress.prototype.setProgress = function (percentage) {
	this.fileProgressElement.className = "progressContainer green";
	this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
	this.fileProgressElement.childNodes[3].style.width = percentage + "%";
};
FileProgress.prototype.setComplete = function () {
	this.fileProgressElement.className = "progressContainer blue";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setError = function () {
	this.fileProgressElement.className = "progressContainer red";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setCancelled = function () {
	this.fileProgressElement.className = "progressContainer";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setStatus = function (status) {
	this.fileProgressElement.childNodes[2].innerHTML = status;
};

FileProgress.prototype.toggleCancel = function (show, swfuploadInstance) {
	this.fileProgressElement.childNodes[0].style.visibility = show ? "visible" : "hidden";
	if (swfuploadInstance) {
		var fileID = this.fileProgressID;
		this.fileProgressElement.childNodes[0].onclick = function () {
			swfuploadInstance.cancelUpload(fileID);
			return false;
		};
	}
};
